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STD powermeter
License: CC-BY-NC 3.0
Mode: Editors' pick
- 3
Update time：
2021-09-28 18:29:07
Creation time：
2021-02-13 21:08:31
Description
This is a circuit for a bicycle power meter using NRF52832. It includes an accelerometer, 24 bits ADC and Bluetooth/ANT communication.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 1.0µF | C10 | RESC0603_N | 1 |
| 2 | 4.7µF | C9 | RESC0603_N | 1 |
| 3 | 100pF | C7 | RESC0402_N | 1 |
| 4 | N.M. | C6 | RESC0402_N | 1 |
| 5 | 100nF | C8,C5,C13,C3,C4,C11,C12,C15 | RESC0402_N | 8 |
| 6 | 0.8pF | C16 | RESC0402_N | 1 |
| 7 | 12pF | C17,C20,C18,C19 | RESC0402_N | 4 |
| 8 | 3.9nH | L1 | RESC0402_N | 1 |
| 9 | 32MHz | X1 | BT-XTAL_2016_N | 1 |
| 10 | NRF52832 | U2 | QFN40P600X600X90-48_N | 1 |
| 11 | 10nF | C14,C21 | C0402 | 2 |
| 12 | 2.4GHZ PCB ANTENNA | ANT1 | TRACE_ANTENNA_2.4GHZ_15.2MM | 1 |
| 13 | ORH-YG36A(0.6T) | LED1 | LED0603-R-RD | 1 |
| 14 | CON1X04 | J3 | SOLDER_PAD_4 | 1 |
| 15 | 2.2uF | C2 | C0603 | 1 |
| 16 | 100 | R11,R9 | R0402 | 2 |
| 17 | ADS1232IPW | U3 | TSSOP-24_L7.8-W4.4-P0.65-LS6.4-BL | 1 |
| 18 | LOGO | U5 | LOGO | 1 |
| 19 | 4.64M | R10 | R0603 | 1 |
| 20 | CON2X05 | J1 | NKXAUDIO - JTAG - 5X02 | 1 |
| 21 | 1K | R1 | R0603 | 1 |
| 22 | 1uF | C1 | C0603 | 1 |
| 23 | CON2X01 | J2 | SOLDER_PAD_2 | 1 |
| 24 | 47 | R3,R4,R2,R5,R6,R7 | R0402 | 6 |
| 25 | LSM6DS3TR | U4 | LGA-14_L3.0-W2.5-P0.50-TL | 1 |
| 26 | SKTAAAE010 | SW1 | KEY-SMD_4P-L2.6-W1.6-P0.80-LS3.0 | 1 |
| 27 | 10M | R12 | R0603 | 1 |
| 28 | 32.768KHz | X2 | OSC-SMD_L2.0-W1.2 | 1 |
| 29 | AP2112K-3.3TRG1 | U1 | SOT-25-5_L3.0-W1.8-P0.95-LS3.0-BR | 1 |
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